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Diffstat (limited to 'drivers/media/video/bttv-input.c')
-rw-r--r--drivers/media/video/bttv-input.c694
1 files changed, 694 insertions, 0 deletions
diff --git a/drivers/media/video/bttv-input.c b/drivers/media/video/bttv-input.c
new file mode 100644
index 00000000000..221b36e7f39
--- /dev/null
+++ b/drivers/media/video/bttv-input.c
@@ -0,0 +1,694 @@
+/*
+ *
+ * Copyright (c) 2003 Gerd Knorr
+ * Copyright (c) 2003 Pavel Machek
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/input.h>
+
+#include "bttv.h"
+#include "bttvp.h"
+
+/* ---------------------------------------------------------------------- */
+
+static IR_KEYTAB_TYPE ir_codes_avermedia[IR_KEYTAB_SIZE] = {
+ [ 34 ] = KEY_KP0,
+ [ 40 ] = KEY_KP1,
+ [ 24 ] = KEY_KP2,
+ [ 56 ] = KEY_KP3,
+ [ 36 ] = KEY_KP4,
+ [ 20 ] = KEY_KP5,
+ [ 52 ] = KEY_KP6,
+ [ 44 ] = KEY_KP7,
+ [ 28 ] = KEY_KP8,
+ [ 60 ] = KEY_KP9,
+
+ [ 48 ] = KEY_EJECTCD, // Unmarked on my controller
+ [ 0 ] = KEY_POWER,
+ [ 18 ] = BTN_LEFT, // DISPLAY/L
+ [ 50 ] = BTN_RIGHT, // LOOP/R
+ [ 10 ] = KEY_MUTE,
+ [ 38 ] = KEY_RECORD,
+ [ 22 ] = KEY_PAUSE,
+ [ 54 ] = KEY_STOP,
+ [ 30 ] = KEY_VOLUMEDOWN,
+ [ 62 ] = KEY_VOLUMEUP,
+
+ [ 32 ] = KEY_TUNER, // TV/FM
+ [ 16 ] = KEY_CD,
+ [ 8 ] = KEY_VIDEO,
+ [ 4 ] = KEY_AUDIO,
+ [ 12 ] = KEY_ZOOM, // full screen
+ [ 2 ] = KEY_INFO, // preview
+ [ 42 ] = KEY_SEARCH, // autoscan
+ [ 26 ] = KEY_STOP, // freeze
+ [ 58 ] = KEY_RECORD, // capture
+ [ 6 ] = KEY_PLAY, // unmarked
+ [ 46 ] = KEY_RED, // unmarked
+ [ 14 ] = KEY_GREEN, // unmarked
+
+ [ 33 ] = KEY_YELLOW, // unmarked
+ [ 17 ] = KEY_CHANNELDOWN,
+ [ 49 ] = KEY_CHANNELUP,
+ [ 1 ] = KEY_BLUE, // unmarked
+};
+
+/* Matt Jesson <dvb@jesson.eclipse.co.uk */
+static IR_KEYTAB_TYPE ir_codes_avermedia_dvbt[IR_KEYTAB_SIZE] = {
+ [ 0x28 ] = KEY_KP0, //'0' / 'enter'
+ [ 0x22 ] = KEY_KP1, //'1'
+ [ 0x12 ] = KEY_KP2, //'2' / 'up arrow'
+ [ 0x32 ] = KEY_KP3, //'3'
+ [ 0x24 ] = KEY_KP4, //'4' / 'left arrow'
+ [ 0x14 ] = KEY_KP5, //'5'
+ [ 0x34 ] = KEY_KP6, //'6' / 'right arrow'
+ [ 0x26 ] = KEY_KP7, //'7'
+ [ 0x16 ] = KEY_KP8, //'8' / 'down arrow'
+ [ 0x36 ] = KEY_KP9, //'9'
+
+ [ 0x20 ] = KEY_LIST, // 'source'
+ [ 0x10 ] = KEY_TEXT, // 'teletext'
+ [ 0x00 ] = KEY_POWER, // 'power'
+ [ 0x04 ] = KEY_AUDIO, // 'audio'
+ [ 0x06 ] = KEY_ZOOM, // 'full screen'
+ [ 0x18 ] = KEY_VIDEO, // 'display'
+ [ 0x38 ] = KEY_SEARCH, // 'loop'
+ [ 0x08 ] = KEY_INFO, // 'preview'
+ [ 0x2a ] = KEY_REWIND, // 'backward <<'
+ [ 0x1a ] = KEY_FASTFORWARD, // 'forward >>'
+ [ 0x3a ] = KEY_RECORD, // 'capture'
+ [ 0x0a ] = KEY_MUTE, // 'mute'
+ [ 0x2c ] = KEY_RECORD, // 'record'
+ [ 0x1c ] = KEY_PAUSE, // 'pause'
+ [ 0x3c ] = KEY_STOP, // 'stop'
+ [ 0x0c ] = KEY_PLAY, // 'play'
+ [ 0x2e ] = KEY_RED, // 'red'
+ [ 0x01 ] = KEY_BLUE, // 'blue' / 'cancel'
+ [ 0x0e ] = KEY_YELLOW, // 'yellow' / 'ok'
+ [ 0x21 ] = KEY_GREEN, // 'green'
+ [ 0x11 ] = KEY_CHANNELDOWN, // 'channel -'
+ [ 0x31 ] = KEY_CHANNELUP, // 'channel +'
+ [ 0x1e ] = KEY_VOLUMEDOWN, // 'volume -'
+ [ 0x3e ] = KEY_VOLUMEUP, // 'volume +'
+};
+
+/* Attila Kondoros <attila.kondoros@chello.hu> */
+static IR_KEYTAB_TYPE ir_codes_apac_viewcomp[IR_KEYTAB_SIZE] = {
+
+ [ 1 ] = KEY_KP1,
+ [ 2 ] = KEY_KP2,
+ [ 3 ] = KEY_KP3,
+ [ 4 ] = KEY_KP4,
+ [ 5 ] = KEY_KP5,
+ [ 6 ] = KEY_KP6,
+ [ 7 ] = KEY_KP7,
+ [ 8 ] = KEY_KP8,
+ [ 9 ] = KEY_KP9,
+ [ 0 ] = KEY_KP0,
+ [ 23 ] = KEY_LAST, // +100
+ [ 10 ] = KEY_LIST, // recall
+
+
+ [ 28 ] = KEY_TUNER, // TV/FM
+ [ 21 ] = KEY_SEARCH, // scan
+ [ 18 ] = KEY_POWER, // power
+ [ 31 ] = KEY_VOLUMEDOWN, // vol up
+ [ 27 ] = KEY_VOLUMEUP, // vol down
+ [ 30 ] = KEY_CHANNELDOWN, // chn up
+ [ 26 ] = KEY_CHANNELUP, // chn down
+
+ [ 17 ] = KEY_VIDEO, // video
+ [ 15 ] = KEY_ZOOM, // full screen
+ [ 19 ] = KEY_MUTE, // mute/unmute
+ [ 16 ] = KEY_TEXT, // min
+
+ [ 13 ] = KEY_STOP, // freeze
+ [ 14 ] = KEY_RECORD, // record
+ [ 29 ] = KEY_PLAYPAUSE, // stop
+ [ 25 ] = KEY_PLAY, // play
+
+ [ 22 ] = KEY_GOTO, // osd
+ [ 20 ] = KEY_REFRESH, // default
+ [ 12 ] = KEY_KPPLUS, // fine tune >>>>
+ [ 24 ] = KEY_KPMINUS // fine tune <<<<
+};
+
+/* ---------------------------------------------------------------------- */
+
+static IR_KEYTAB_TYPE ir_codes_conceptronic[IR_KEYTAB_SIZE] = {
+
+ [ 30 ] = KEY_POWER, // power
+ [ 7 ] = KEY_MEDIA, // source
+ [ 28 ] = KEY_SEARCH, // scan
+
+/* FIXME: duplicate keycodes?
+ *
+ * These four keys seem to share the same GPIO as CH+, CH-, <<< and >>>
+ * The GPIO values are
+ * 6397fb for both "Scan <" and "CH -",
+ * 639ffb for "Scan >" and "CH+",
+ * 6384fb for "Tune <" and "<<<",
+ * 638cfb for "Tune >" and ">>>", regardless of the mask.
+ *
+ * [ 23 ] = KEY_BACK, // fm scan <<
+ * [ 31 ] = KEY_FORWARD, // fm scan >>
+ *
+ * [ 4 ] = KEY_LEFT, // fm tuning <
+ * [ 12 ] = KEY_RIGHT, // fm tuning >
+ *
+ * For now, these four keys are disabled. Pressing them will generate
+ * the CH+/CH-/<<</>>> events
+ */
+
+ [ 3 ] = KEY_TUNER, // TV/FM
+
+ [ 0 ] = KEY_RECORD,
+ [ 8 ] = KEY_STOP,
+ [ 17 ] = KEY_PLAY,
+
+ [ 26 ] = KEY_PLAYPAUSE, // freeze
+ [ 25 ] = KEY_ZOOM, // zoom
+ [ 15 ] = KEY_TEXT, // min
+
+ [ 1 ] = KEY_KP1,
+ [ 11 ] = KEY_KP2,
+ [ 27 ] = KEY_KP3,
+ [ 5 ] = KEY_KP4,
+ [ 9 ] = KEY_KP5,
+ [ 21 ] = KEY_KP6,
+ [ 6 ] = KEY_KP7,
+ [ 10 ] = KEY_KP8,
+ [ 18 ] = KEY_KP9,
+ [ 2 ] = KEY_KP0,
+ [ 16 ] = KEY_LAST, // +100
+ [ 19 ] = KEY_LIST, // recall
+
+ [ 31 ] = KEY_CHANNELUP, // chn down
+ [ 23 ] = KEY_CHANNELDOWN, // chn up
+ [ 22 ] = KEY_VOLUMEUP, // vol down
+ [ 20 ] = KEY_VOLUMEDOWN, // vol up
+
+ [ 4 ] = KEY_KPMINUS, // <<<
+ [ 14 ] = KEY_SETUP, // function
+ [ 12 ] = KEY_KPPLUS, // >>>
+
+ [ 13 ] = KEY_GOTO, // mts
+ [ 29 ] = KEY_REFRESH, // reset
+ [ 24 ] = KEY_MUTE // mute/unmute
+};
+
+static IR_KEYTAB_TYPE ir_codes_nebula[IR_KEYTAB_SIZE] = {
+ [0x00] = KEY_KP0,
+ [0x01] = KEY_KP1,
+ [0x02] = KEY_KP2,
+ [0x03] = KEY_KP3,
+ [0x04] = KEY_KP4,
+ [0x05] = KEY_KP5,
+ [0x06] = KEY_KP6,
+ [0x07] = KEY_KP7,
+ [0x08] = KEY_KP8,
+ [0x09] = KEY_KP9,
+ [0x0a] = KEY_TV,
+ [0x0b] = KEY_AUX,
+ [0x0c] = KEY_DVD,
+ [0x0d] = KEY_POWER,
+ [0x0e] = KEY_MHP, /* labelled 'Picture' */
+ [0x0f] = KEY_AUDIO,
+ [0x10] = KEY_INFO,
+ [0x11] = KEY_F13, /* 16:9 */
+ [0x12] = KEY_F14, /* 14:9 */
+ [0x13] = KEY_EPG,
+ [0x14] = KEY_EXIT,
+ [0x15] = KEY_MENU,
+ [0x16] = KEY_UP,
+ [0x17] = KEY_DOWN,
+ [0x18] = KEY_LEFT,
+ [0x19] = KEY_RIGHT,
+ [0x1a] = KEY_ENTER,
+ [0x1b] = KEY_CHANNELUP,
+ [0x1c] = KEY_CHANNELDOWN,
+ [0x1d] = KEY_VOLUMEUP,
+ [0x1e] = KEY_VOLUMEDOWN,
+ [0x1f] = KEY_RED,
+ [0x20] = KEY_GREEN,
+ [0x21] = KEY_YELLOW,
+ [0x22] = KEY_BLUE,
+ [0x23] = KEY_SUBTITLE,
+ [0x24] = KEY_F15, /* AD */
+ [0x25] = KEY_TEXT,
+ [0x26] = KEY_MUTE,
+ [0x27] = KEY_REWIND,
+ [0x28] = KEY_STOP,
+ [0x29] = KEY_PLAY,
+ [0x2a] = KEY_FASTFORWARD,
+ [0x2b] = KEY_F16, /* chapter */
+ [0x2c] = KEY_PAUSE,
+ [0x2d] = KEY_PLAY,
+ [0x2e] = KEY_RECORD,
+ [0x2f] = KEY_F17, /* picture in picture */
+ [0x30] = KEY_KPPLUS, /* zoom in */
+ [0x31] = KEY_KPMINUS, /* zoom out */
+ [0x32] = KEY_F18, /* capture */
+ [0x33] = KEY_F19, /* web */
+ [0x34] = KEY_EMAIL,
+ [0x35] = KEY_PHONE,
+ [0x36] = KEY_PC
+};
+
+static int debug;
+module_param(debug, int, 0644); /* debug level (0,1,2) */
+static int repeat_delay = 500;
+module_param(repeat_delay, int, 0644);
+static int repeat_period = 33;
+module_param(repeat_period, int, 0644);
+
+#define DEVNAME "bttv-input"
+
+/* ---------------------------------------------------------------------- */
+
+static void ir_handle_key(struct bttv *btv)
+{
+ struct bttv_ir *ir = btv->remote;
+ u32 gpio,data;
+
+ /* read gpio value */
+ gpio = bttv_gpio_read(&btv->c);
+ if (ir->polling) {
+ if (ir->last_gpio == gpio)
+ return;
+ ir->last_gpio = gpio;
+ }
+
+ /* extract data */
+ data = ir_extract_bits(gpio, ir->mask_keycode);
+ dprintk(KERN_INFO DEVNAME ": irq gpio=0x%x code=%d | %s%s%s\n",
+ gpio, data,
+ ir->polling ? "poll" : "irq",
+ (gpio & ir->mask_keydown) ? " down" : "",
+ (gpio & ir->mask_keyup) ? " up" : "");
+
+ if ((ir->mask_keydown && (0 != (gpio & ir->mask_keydown))) ||
+ (ir->mask_keyup && (0 == (gpio & ir->mask_keyup)))) {
+ ir_input_keydown(ir->dev,&ir->ir,data,data);
+ } else {
+ ir_input_nokey(ir->dev,&ir->ir);
+ }
+
+}
+
+void bttv_input_irq(struct bttv *btv)
+{
+ struct bttv_ir *ir = btv->remote;
+
+ if (!ir->polling)
+ ir_handle_key(btv);
+}
+
+static void bttv_input_timer(unsigned long data)
+{
+ struct bttv *btv = (struct bttv*)data;
+ struct bttv_ir *ir = btv->remote;
+ unsigned long timeout;
+
+ ir_handle_key(btv);
+ timeout = jiffies + (ir->polling * HZ / 1000);
+ mod_timer(&ir->timer, timeout);
+}
+
+/* ---------------------------------------------------------------*/
+
+static int rc5_remote_gap = 885;
+module_param(rc5_remote_gap, int, 0644);
+static int rc5_key_timeout = 200;
+module_param(rc5_key_timeout, int, 0644);
+
+#define RC5_START(x) (((x)>>12)&3)
+#define RC5_TOGGLE(x) (((x)>>11)&1)
+#define RC5_ADDR(x) (((x)>>6)&31)
+#define RC5_INSTR(x) ((x)&63)
+
+/* decode raw bit pattern to RC5 code */
+static u32 rc5_decode(unsigned int code)
+{
+ unsigned int org_code = code;
+ unsigned int pair;
+ unsigned int rc5 = 0;
+ int i;
+
+ code = (code << 1) | 1;
+ for (i = 0; i < 14; ++i) {
+ pair = code & 0x3;
+ code >>= 2;
+
+ rc5 <<= 1;
+ switch (pair) {
+ case 0:
+ case 2:
+ break;
+ case 1:
+ rc5 |= 1;
+ break;
+ case 3:
+ dprintk(KERN_WARNING "bad code: %x\n", org_code);
+ return 0;
+ }
+ }
+ dprintk(KERN_WARNING "code=%x, rc5=%x, start=%x, toggle=%x, address=%x, "
+ "instr=%x\n", rc5, org_code, RC5_START(rc5),
+ RC5_TOGGLE(rc5), RC5_ADDR(rc5), RC5_INSTR(rc5));
+ return rc5;
+}
+
+static int bttv_rc5_irq(struct bttv *btv)
+{
+ struct bttv_ir *ir = btv->remote;
+ struct timeval tv;
+ u32 gpio;
+ u32 gap;
+ unsigned long current_jiffies, timeout;
+
+ /* read gpio port */
+ gpio = bttv_gpio_read(&btv->c);
+
+ /* remote IRQ? */
+ if (!(gpio & 0x20))
+ return 0;
+
+ /* get time of bit */
+ current_jiffies = jiffies;
+ do_gettimeofday(&tv);
+
+ /* avoid overflow with gap >1s */
+ if (tv.tv_sec - ir->base_time.tv_sec > 1) {
+ gap = 200000;
+ } else {
+ gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
+ tv.tv_usec - ir->base_time.tv_usec;
+ }
+
+ /* active code => add bit */
+ if (ir->active) {
+ /* only if in the code (otherwise spurious IRQ or timer
+ late) */
+ if (ir->last_bit < 28) {
+ ir->last_bit = (gap - rc5_remote_gap / 2) /
+ rc5_remote_gap;
+ ir->code |= 1 << ir->last_bit;
+ }
+ /* starting new code */
+ } else {
+ ir->active = 1;
+ ir->code = 0;
+ ir->base_time = tv;
+ ir->last_bit = 0;
+
+ timeout = current_jiffies + (500 + 30 * HZ) / 1000;
+ mod_timer(&ir->timer_end, timeout);
+ }
+
+ /* toggle GPIO pin 4 to reset the irq */
+ bttv_gpio_write(&btv->c, gpio & ~(1 << 4));
+ bttv_gpio_write(&btv->c, gpio | (1 << 4));
+ return 1;
+}
+
+
+static void bttv_rc5_timer_end(unsigned long data)
+{
+ struct bttv_ir *ir = (struct bttv_ir *)data;
+ struct timeval tv;
+ unsigned long current_jiffies, timeout;
+ u32 gap;
+
+ /* get time */
+ current_jiffies = jiffies;
+ do_gettimeofday(&tv);
+
+ /* avoid overflow with gap >1s */
+ if (tv.tv_sec - ir->base_time.tv_sec > 1) {
+ gap = 200000;
+ } else {
+ gap = 1000000 * (tv.tv_sec - ir->base_time.tv_sec) +
+ tv.tv_usec - ir->base_time.tv_usec;
+ }
+
+ /* Allow some timmer jitter (RC5 is ~24ms anyway so this is ok) */
+ if (gap < 28000) {
+ dprintk(KERN_WARNING "spurious timer_end\n");
+ return;
+ }
+
+ ir->active = 0;
+ if (ir->last_bit < 20) {
+ /* ignore spurious codes (caused by light/other remotes) */
+ dprintk(KERN_WARNING "short code: %x\n", ir->code);
+ } else {
+ u32 rc5 = rc5_decode(ir->code);
+
+ /* two start bits? */
+ if (RC5_START(rc5) != 3) {
+ dprintk(KERN_WARNING "rc5 start bits invalid: %u\n", RC5_START(rc5));
+
+ /* right address? */
+ } else if (RC5_ADDR(rc5) == 0x0) {
+ u32 toggle = RC5_TOGGLE(rc5);
+ u32 instr = RC5_INSTR(rc5);
+
+ /* Good code, decide if repeat/repress */
+ if (toggle != RC5_TOGGLE(ir->last_rc5) ||
+ instr != RC5_INSTR(ir->last_rc5)) {
+ dprintk(KERN_WARNING "instruction %x, toggle %x\n", instr,
+ toggle);
+ ir_input_nokey(ir->dev, &ir->ir);
+ ir_input_keydown(ir->dev, &ir->ir, instr,
+ instr);
+ }
+
+ /* Set/reset key-up timer */
+ timeout = current_jiffies + (500 + rc5_key_timeout
+ * HZ) / 1000;
+ mod_timer(&ir->timer_keyup, timeout);
+
+ /* Save code for repeat test */
+ ir->last_rc5 = rc5;
+ }
+ }
+}
+
+static void bttv_rc5_timer_keyup(unsigned long data)
+{
+ struct bttv_ir *ir = (struct bttv_ir *)data;
+
+ dprintk(KERN_DEBUG "key released\n");
+ ir_input_nokey(ir->dev, &ir->ir);
+}
+
+/* ---------------------------------------------------------------------- */
+
+int bttv_input_init(struct bttv *btv)
+{
+ struct bttv_ir *ir;
+ IR_KEYTAB_TYPE *ir_codes = NULL;
+ struct input_dev *input_dev;
+ int ir_type = IR_TYPE_OTHER;
+
+ if (!btv->has_remote)
+ return -ENODEV;
+
+ ir = kzalloc(sizeof(*ir),GFP_KERNEL);
+ input_dev = input_allocate_device();
+ if (!ir || !input_dev) {
+ kfree(ir);
+ input_free_device(input_dev);
+ return -ENOMEM;
+ }
+ memset(ir,0,sizeof(*ir));
+
+ /* detect & configure */
+ switch (btv->c.type) {
+ case BTTV_BOARD_AVERMEDIA:
+ case BTTV_BOARD_AVPHONE98:
+ case BTTV_BOARD_AVERMEDIA98:
+ ir_codes = ir_codes_avermedia;
+ ir->mask_keycode = 0xf88000;
+ ir->mask_keydown = 0x010000;
+ ir->polling = 50; // ms
+ break;
+
+ case BTTV_BOARD_AVDVBT_761:
+ case BTTV_BOARD_AVDVBT_771:
+ ir_codes = ir_codes_avermedia_dvbt;
+ ir->mask_keycode = 0x0f00c0;
+ ir->mask_keydown = 0x000020;
+ ir->polling = 50; // ms
+ break;
+
+ case BTTV_BOARD_PXELVWPLTVPAK:
+ ir_codes = ir_codes_pixelview;
+ ir->mask_keycode = 0x003e00;
+ ir->mask_keyup = 0x010000;
+ ir->polling = 50; // ms
+ break;
+ case BTTV_BOARD_PV_BT878P_9B:
+ case BTTV_BOARD_PV_BT878P_PLUS:
+ ir_codes = ir_codes_pixelview;
+ ir->mask_keycode = 0x001f00;
+ ir->mask_keyup = 0x008000;
+ ir->polling = 50; // ms
+ break;
+
+ case BTTV_BOARD_WINFAST2000:
+ ir_codes = ir_codes_winfast;
+ ir->mask_keycode = 0x1f8;
+ break;
+ case BTTV_BOARD_MAGICTVIEW061:
+ case BTTV_BOARD_MAGICTVIEW063:
+ ir_codes = ir_codes_winfast;
+ ir->mask_keycode = 0x0008e000;
+ ir->mask_keydown = 0x00200000;
+ break;
+ case BTTV_BOARD_APAC_VIEWCOMP:
+ ir_codes = ir_codes_apac_viewcomp;
+ ir->mask_keycode = 0x001f00;
+ ir->mask_keyup = 0x008000;
+ ir->polling = 50; // ms
+ break;
+ case BTTV_BOARD_CONCEPTRONIC_CTVFMI2:
+ ir_codes = ir_codes_conceptronic;
+ ir->mask_keycode = 0x001F00;
+ ir->mask_keyup = 0x006000;
+ ir->polling = 50; // ms
+ break;
+ case BTTV_BOARD_NEBULA_DIGITV:
+ ir_codes = ir_codes_nebula;
+ btv->custom_irq = bttv_rc5_irq;
+ ir->rc5_gpio = 1;
+ break;
+ case BTTV_BOARD_MACHTV_MAGICTV:
+ ir_codes = ir_codes_apac_viewcomp;
+ ir->mask_keycode = 0x001F00;
+ ir->mask_keyup = 0x004000;
+ ir->polling = 50; /* ms */
+ break;
+ }
+ if (NULL == ir_codes) {
+ dprintk(KERN_INFO "Ooops: IR config error [card=%d]\n",btv->c.type);
+ kfree(ir);
+ input_free_device(input_dev);
+ return -ENODEV;
+ }
+
+ if (ir->rc5_gpio) {
+ u32 gpio;
+ /* enable remote irq */
+ bttv_gpio_inout(&btv->c, (1 << 4), 1 << 4);
+ gpio = bttv_gpio_read(&btv->c);
+ bttv_gpio_write(&btv->c, gpio & ~(1 << 4));
+ bttv_gpio_write(&btv->c, gpio | (1 << 4));
+ } else {
+ /* init hardware-specific stuff */
+ bttv_gpio_inout(&btv->c, ir->mask_keycode | ir->mask_keydown, 0);
+ }
+
+ /* init input device */
+ ir->dev = input_dev;
+
+ snprintf(ir->name, sizeof(ir->name), "bttv IR (card=%d)",
+ btv->c.type);
+ snprintf(ir->phys, sizeof(ir->phys), "pci-%s/ir0",
+ pci_name(btv->c.pci));
+
+ ir_input_init(input_dev, &ir->ir, ir_type, ir_codes);
+ input_dev->name = ir->name;
+ input_dev->phys = ir->phys;
+ input_dev->id.bustype = BUS_PCI;
+ input_dev->id.version = 1;
+ if (btv->c.pci->subsystem_vendor) {
+ input_dev->id.vendor = btv->c.pci->subsystem_vendor;
+ input_dev->id.product = btv->c.pci->subsystem_device;
+ } else {
+ input_dev->id.vendor = btv->c.pci->vendor;
+ input_dev->id.product = btv->c.pci->device;
+ }
+ input_dev->cdev.dev = &btv->c.pci->dev;
+
+ btv->remote = ir;
+ if (ir->polling) {
+ init_timer(&ir->timer);
+ ir->timer.function = bttv_input_timer;
+ ir->timer.data = (unsigned long)btv;
+ ir->timer.expires = jiffies + HZ;
+ add_timer(&ir->timer);
+ } else if (ir->rc5_gpio) {
+ /* set timer_end for code completion */
+ init_timer(&ir->timer_end);
+ ir->timer_end.function = bttv_rc5_timer_end;
+ ir->timer_end.data = (unsigned long)ir;
+
+ init_timer(&ir->timer_keyup);
+ ir->timer_keyup.function = bttv_rc5_timer_keyup;
+ ir->timer_keyup.data = (unsigned long)ir;
+ }
+
+ /* all done */
+ input_register_device(btv->remote->dev);
+ printk(DEVNAME ": %s detected at %s\n",ir->name,ir->phys);
+
+ /* the remote isn't as bouncy as a keyboard */
+ ir->dev->rep[REP_DELAY] = repeat_delay;
+ ir->dev->rep[REP_PERIOD] = repeat_period;
+
+ return 0;
+}
+
+void bttv_input_fini(struct bttv *btv)
+{
+ if (btv->remote == NULL)
+ return;
+
+ if (btv->remote->polling) {
+ del_timer_sync(&btv->remote->timer);
+ flush_scheduled_work();
+ }
+
+
+ if (btv->remote->rc5_gpio) {
+ u32 gpio;
+
+ del_timer_sync(&btv->remote->timer_end);
+ flush_scheduled_work();
+
+ gpio = bttv_gpio_read(&btv->c);
+ bttv_gpio_write(&btv->c, gpio & ~(1 << 4));
+ }
+
+ input_unregister_device(btv->remote->dev);
+ kfree(btv->remote);
+ btv->remote = NULL;
+}
+
+
+/*
+ * Local variables:
+ * c-basic-offset: 8
+ * End:
+ */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-06 21:36:11 +0000